ABB ACL30 - Page 245

Parameters 245
46
46 FAULT
FUNCTIONS
Settings for drive behaviour upon a fault situation. An
alarm or a fault message indicates abnormal drive
status.
This parameter group also includes settings for
thermal protection of the motor. See also section
Thermal motor protection on page 158.
46.01 EXTERNAL FAULT
Selects an interface for an external fault signal.
0 = External fault trip. 1 = No external fault.
C.True/
Bit pointer
Bit pointer: CONST or POINTER (See Terms and
abbreviations on page 183.)
1 = 1 / -
46.02 MOT PHASE LOSS
Selects how the drive reacts when a motor phase
loss is detected.
Fault / enum
No No action. 0
Fault Drive trips on MOTOR PHASE fault. 1
46.03 EARTH FAULT
Selects how the drive reacts when an earth fault or
current unbalance is detected in the motor or the
motor cable.
Fault / enum
No No action. 0
Warning Drive generates alarm EARTH FAULT. 1
Fault Drive trips on EARTH FAULT. 2
46.04 SUPPL PHS LOSS
Selects how the drive reacts when a supply phase
loss is detected.
Fault / enum
No No reaction. 0
Fault Drive trips on SUPPLY PHASE fault. 1
Warning Drive generates alarm SUPPL PHS LOSS. 2
46.05 STO DIAGNOSTIC
Selects how the drive reacts when it detects the
absence of one or both Safe torque off (STO)
signals.
Note: This parameter is for supervision only. The
Safe torque off function can activate even when this
parameter is set to NO.
For general information on the Safe torque off
function, see the Hardware manual of the drive.
No / enum
Fault The drive trips on SAFE TORQUE OFF when one or
both of the Safe torque off signals are lost.
1
No. Bit/Name/Value/
Range
Description Def/Type
FbEq
(16b/32b)